-from PyQt4.QtCore import Qt, QString, SIGNAL
-from PyQt4.QtGui import QWidget, QLabel, QTreeView, QStandardItemModel, QVBoxLayout, QSizePolicy
+import os
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
from sfa.util.rspecHelper import RSpec
-
-from sface.sficonfig import config
+from sface.sfahelper import *
+from sface.config import config
+from sface.sfiprocess import SfiProcess
from sface.screens.sfascreen import SfaScreen
+already_in_nodes = []
+
+node_status = { "in": "Already Selected",
+ "out": "Not Selected",
+ "add": "To be Added",
+ "remove": "To be Removed"}
+
+class NodeView(QTreeView):
+ def __init__(self, parent):
+ QTreeView.__init__(self, parent)
+
+ self.setAnimated(True)
+ self.setItemsExpandable(True)
+ self.setRootIsDecorated(True)
+ self.setAlternatingRowColors(True)
+# self.setSelectionMode(self.MultiSelection)
+ self.setAttribute(Qt.WA_MacShowFocusRect, 0)
+ self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+ self.setToolTip("Double click on a row to change its status")
+
+ def mouseDoubleClickEvent(self, event):
+ index = self.currentIndex()
+ model = index.model()
+ status_index = model.index(index.row(), 2, index.parent())
+ status_data = status_index.data().toString()
+ hostname_index = model.index(index.row(), 1, index.parent())
+ hostname_data = hostname_index.data().toString()
+
+ if status_data == node_status['in']:
+ model.setData(status_index, QString(node_status['remove']))
+ elif status_data == node_status['out']:
+ model.setData(status_index, QString(node_status['add']))
+ elif status_data in (node_status['add'], node_status['remove']):
+ if hostname_data in already_in_nodes: model.setData(status_index, QString(node_status['in']))
+ else: model.setData(status_index, QString(node_status['out']))
+
+ model.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), hostname_index, hostname_index)
+
+ def currentChanged(self, current, previous):
+ model = current.model()
+ hostname_index = model.index(current.row(), 1, current.parent())
+ hostname_data = hostname_index.data().toString()
+ self.emit(SIGNAL('hostnameClicked(QString)'), hostname_data)
+
+
+
+class NodeNameDelegate(QStyledItemDelegate):
+ def __init__(self, parent):
+ QStyledItemDelegate.__init__(self, parent)
+
+ def paint(self, painter, option, index):
+ model = index.model()
+ data = "%s" % index.data().toString()
+ status_index = model.index(index.row(), 2, index.parent())
+ status_data = status_index.data().toString()
+
+ if status_data not in (node_status['in'], node_status['remove'], node_status['add']):
+ # default view
+ QStyledItemDelegate.paint(self, painter, option, index)
+ return
+
+ fm = QFontMetrics(option.font)
+ rect = option.rect
+ rect.setWidth(fm.width(QString(data)) + 8)
+ rect.setHeight(rect.height() - 2)
+ rect.setX(rect.x() + 4)
+ x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width()
+
+ path = QPainterPath()
+ path.addRoundedRect(x, y, w, h, 4, 4)
+
+ painter.save()
+ painter.setRenderHint(QPainter.Antialiasing)
+ painter.drawRoundedRect(rect, 4, 4)
+
+ if status_data == node_status['in']: # already in the slice
+ painter.fillPath(path, QColor.fromRgb(0, 250, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
+
+ elif status_data == node_status['add']: # newly added to the slice
+ painter.fillPath(path, QColor.fromRgb(0, 250, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
+ painter.drawRect(x + w + 10, y + 3, 10, 10)
+ painter.fillRect(x + w + 10, y + 3, 10, 10, QColor.fromRgb(0, 250, 0))
+
+ elif status_data == node_status['remove']: # removed from the slice
+ painter.fillPath(path, QColor.fromRgb(250, 0, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
+ painter.drawRect(x + w + 10, y + 3, 10, 10)
+ painter.fillRect(x + w + 10, y + 3, 10, 10, QColor.fromRgb(250, 0, 0))
+
+ painter.restore()
+
+
+class TreeItem:
+ def __init__(self, data, parent=None):
+ self.parentItem = parent
+ self.itemData = data
+ self.childItems = []
+
+ def clear(self):
+ for child in self.childItems:
+ child.clear()
+ del child
+ del self.childItems
+ self.childItems = []
+
+ def allChildItems(self):
+ all = []
+ for c in self.childItems:
+ all.append(c)
+ if c.childItems:
+ for cc in c.childItems:
+ all.append(cc)
+ return all
+
+ def appendChild(self, child):
+ self.childItems.append(child)
+
+ def child(self, row):
+ return self.childItems[row]
+
+ def childCount(self):
+ return len(self.childItems)
+
+ def childNumber(self):
+ if self.parentItem:
+ return self.parentItem.childItems.index(self)
+ return 0
+
+ def columnCount(self):
+ return len(self.itemData)
+
+ def data(self, column):
+ return self.itemData[column]
+
+ def insertChildren(self, position, count, columns):
+ if position < 0 or position > len(self.childItems):
+ return False
+
+ for row in range(count):
+ data = self.data(columns)
+ item = TreeItem(data, self)
+ self.childItems.insert(position, item)
+
+ return True
+
+ def insertColumns(self, position, columns):
+ if position < 0 or position > len(self.itemData):
+ return False
+
+ for column in range(columns):
+ self.itemData.insert(position, QVariant())
+
+ for child in self.childItems:
+ child.insertColumns(position, columns)
+
+ return True
+
+ def setData(self, column, value):
+ if column < 0 or column >= len(self.itemData):
+ return False
+
+ self.itemData[column] = value
+ return True
+
+ def parent(self):
+ return self.parentItem
+
+
+class NodeModel(QAbstractItemModel):
+ def __init__(self, parent):
+ QAbstractItemModel.__init__(self, parent)
+ self.__initRoot()
+
+ def clear(self):
+ self.rootItem.clear()
+ self.__initRoot()
+
+ def __initRoot(self):
+ self.rootItem = TreeItem([QString("Testbed"), QString("Hostname"), QString("Status")])
+
+ def getItem(self, index):
+ if index.isValid():
+ item = index.internalPointer()
+ if isinstance(item, TreeItem):
+ return item
+ return self.rootItem
+
+ def headerData(self, section, orientation, role):
+ if orientation == Qt.Horizontal and role in (Qt.DisplayRole, Qt.EditRole):
+ return self.rootItem.data(section)
+ return QVariant()
+
+ def index(self, row, column, parent):
+ if not self.hasIndex(row, column, parent):
+ return QModelIndex()
+
+ parentItem = self.getItem(parent)
+ childItem = parentItem.child(row)
+ if childItem:
+ return self.createIndex(row, column, childItem)
+ else:
+ return QModelIndex()
+
+ def insertColumns(self, position, columns, parent):
+ self.beginInsertColumns(parent, position, position + columns -1)
+ ret = self.rootItem.insertColumns(position, columns)
+ self.endInsertColumns()
+ return ret
+
+ def insertRows(self, position, rows, parent):
+ parentItem = self.getItem(parent)
+ self.beginInsertRows(parent, position, position + rows -1)
+ ret = parentItem.insertChildren(position, rows, self.rootItem.columnCount())
+ self.endInsertRows()
+ return ret
+
+ def parent(self, index):
+ if not index.isValid():
+ return QModelIndex()
+
+ childItem = self.getItem(index)
+ parentItem = childItem.parent()
+ if parentItem is self.rootItem:
+ return QModelIndex()
+
+ return self.createIndex(parentItem.childNumber(), 0, parentItem)
+
+ def rowCount(self, parent=QModelIndex()):
+ parentItem = self.getItem(parent)
+ return parentItem.childCount()
+
+ def columnCount(self, parent=None):
+ return self.rootItem.columnCount()
+
+ def data(self, index, role):
+ if not index.isValid():
+ return QVariant()
+
+ if role != Qt.DisplayRole and role != Qt.EditRole:
+ return QVariant()
+
+ item = self.getItem(index)
+ return item.data(index.column())
+
+ def flags(self, index):
+ if not index.isValid():
+ return 0
+ return Qt.ItemIsEnabled | Qt.ItemIsSelectable# | Qt.ItemIsEditable
+
+ def setData(self, index, value, role):
+ if role != Qt.EditRole:
+ return False
+
+ item = self.getItem(index)
+ ret = item.setData(index.column(), value)
+ if ret:
+ self.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), index, index)
+ return ret
+
class SliceWidget(QWidget):
- def __init__(self, parent=None):
+ def __init__(self, parent):
QWidget.__init__(self, parent)
- self.nodeView = QTreeView(self)
- self.nodeView.setRootIsDecorated(False)
- self.nodeView.setAlternatingRowColors(True)
- self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+ self.network_names = []
+ self.process = SfiProcess(self)
+
+ self.slicename = QLabel("", self)
+ self.updateSliceName()
+ self.slicename.setScaledContents(False)
+ searchlabel = QLabel ("Search: ", self)
+ searchlabel.setScaledContents(False)
+ searchbox = QLineEdit(self)
+ searchbox.setAttribute(Qt.WA_MacShowFocusRect, 0)
+
+ toplayout = QHBoxLayout()
+ toplayout.addWidget(self.slicename, 0, Qt.AlignLeft)
+ toplayout.addStretch()
+ toplayout.addWidget(searchlabel, 0, Qt.AlignRight)
+ toplayout.addWidget(searchbox, 0, Qt.AlignRight)
- self.nodeModel = QStandardItemModel(0, 3, self)
- self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
- self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
- self.nodeModel.setHeaderData(2, Qt.Horizontal, QString("IsIn"))
+ self.nodeView = NodeView(self)
+ self.nodeModel = NodeModel(self)
+ self.filterModel = QSortFilterProxyModel(self) # enable filtering
- self.nodeView.setModel(self.nodeModel)
+ self.nodeNameDelegate = NodeNameDelegate(self)
- label = QLabel("<a href='refresh'>Refresh</a>", self)
- label.setScaledContents(False)
- self.connect(label, SIGNAL('linkActivated(QString)'), self.refresh)
+ refresh = QPushButton("Update Slice Data", self)
+ refresh.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
+ submit = QPushButton("Submit", self)
+ submit.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
- slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self)
+ bottomlayout = QHBoxLayout()
+ bottomlayout.addWidget(refresh, 0, Qt.AlignLeft)
+ bottomlayout.addStretch()
+ bottomlayout.addWidget(submit, 0, Qt.AlignRight)
layout = QVBoxLayout()
- layout.addWidget(label)
- layout.addWidget(slicename)
+ layout.addLayout(toplayout)
layout.addWidget(self.nodeView)
+ layout.addLayout(bottomlayout)
self.setLayout(layout)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+
+ self.connect(refresh, SIGNAL('clicked()'), self.refresh)
+ self.connect(submit, SIGNAL('clicked()'), self.submit)
+ self.connect(searchbox, SIGNAL('textChanged(QString)'), self.filter)
+ self.connect(self.nodeView, SIGNAL('hostnameClicked(QString)'),
+ self.nodeSelectionChanged)
+
+ self.updateView()
+
+ def submitFinished(self):
+ self.setStatus("<font color='green'>Slice data submitted.</font>")
+ QTimer.singleShot(1000, self.refresh)
+
+ def refreshFinished(self):
+ self.setStatus("<font color='green'>Slice data updated.</font>", timeout=5000)
+ self.updateView()
+ self.parent().signalAll("rspecUpdated")
+
+ def readSliceRSpec(self):
+ rspec_file = config.getSliceRSpecFile()
+ if os.path.exists(rspec_file):
+ xml = open(rspec_file).read()
+ return xml
+ return None
+
+ def setStatus(self, msg, timeout=None):
+ self.parent().setStatus(msg, timeout)
+
+ def checkRunningProcess(self):
+ if self.process.isRunning():
+ self.setStatus("<font color='red'>There is already a process running. Please wait.</font>")
+ return True
+ return False
+
+ def filter(self, filter_string):
+ # for hierarchical models QSortFilterProxyModel applies the
+ # sort recursively. if the parent doesn't match the criteria
+ # we won't be able to match the children. so we need to match
+ # parent (by matching the network_names)
+ networks = ["^%s$" % n for n in self.network_names]
+ filters = networks + [str(filter_string)]
+ self.filterModel.setFilterRegExp(QRegExp('|'.join(filters)))
+
+ def submit(self):
+ if self.checkRunningProcess():
+ return
+
+ rspec = RSpec(self.readSliceRSpec())
-
- # TODO: use the methods from sfa-trunk
- def rspec_get_networks(self, rspec_string):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name]/@name")
- def rspec_get_xml_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name='%s']/site/node" % network)
- def rspec_get_sliver_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name='%s']/site/node[sliver]/hostname/text()" % network)
- def rspec_get_other_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- # xxx todo - could not find the xpath syntax for 'does not have the sliver attribute'
- return rspec.rspec.xpath("./network[@name='%s']/site/node[~sliver]/hostname/text()" % network)
-
- def refresh(self, link=None):
- data = SfaData()
- if not data.getSlice():
- print 'slice not set yet'
+ no_change = True
+ all_child = self.nodeModel.rootItem.allChildItems()
+ for c in all_child:
+ testbed, hostname, status = c.itemData
+ if isinstance(status, QVariant):
+ status = status.toString()
+
+ if status == node_status['add']:
+ rspec.add_sliver(hostname)
+ no_change = False
+ elif str(status) == node_status['remove']:
+ rspec.remove_sliver(hostname)
+ no_change = False
+
+ if no_change:
+ self.setStatus("<font color=red>No change in slice data. Not submitting!</font>", timeout=3000)
+ return
+
+ self.disconnect(self.process, SIGNAL('finished()'), self.refreshFinished)
+ self.connect(self.process, SIGNAL('finished()'), self.submitFinished)
+
+ self.process.applyRSpec(rspec)
+ self.setStatus("Sending slice data (RSpec). This will take some time...")
+
+
+ def refresh(self):
+ if not config.getSlice():
+ self.setStatus("<font color='red'>Slice not set yet!</font>")
+ return
+
+ if self.process.isRunning():
+ self.setStatus("<font color='red'>There is already a process running. Please wait.</font>")
return
- if not data.SFACE_DEBUG:
- rspec_string = data.getRSpecFromSM()
- else:
- print 'SFACE_DEBUG : using local file'
- import os
- rspec_string = open(os.path.expanduser("~/.sfi/%s.rspec"%data.getSlice())).read()
- networks = self.rspec_get_networks(rspec_string)
- networks.reverse()
+ self.disconnect(self.process, SIGNAL('finished()'), self.submitFinished)
+ self.connect(self.process, SIGNAL('finished()'), self.refreshFinished)
+ self.process.getRSpecFromSM()
+ self.setStatus("Updating slice data. This will take some time...")
+
+ def updateView(self):
+ global already_in_nodes
+ already_in_nodes = []
+ self.network_names = []
+ self.nodeModel.clear()
+
+ rspec_string = self.readSliceRSpec()
+ if not rspec_string:
+ return None
+
+ networks = rspec_get_networks(rspec_string)
for network in networks:
-# nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network)
-# for node in nodes: self.addNode(network, node, True)
-# nodes = self.rspec_get_other_nodes_from_network(rspec_string, network)
-# for node in nodes: self.addNode(network, node, False)
- # hacky - i'm just gettin used to this xml navigation stuff
- xml_nodes = self.rspec_get_xml_nodes_from_network(rspec_string, network)
- from lxml import etree
- # addNode inserts before, so let's start with the ones that are not in
- for xml_node in xml_nodes:
- if not xml_node.xpath('sliver'):
- self.addNode(network,xml_node.xpath('hostname/text()')[0],False)
- for xml_node in xml_nodes:
- if xml_node.xpath('sliver'):
- self.addNode(network,xml_node.xpath('hostname/text()')[0],True)
-
+ self.network_names.append(network)
+ networkItem = TreeItem([QString(network), QString(""), QString("")], self.nodeModel.rootItem)
+
+ all_nodes = rspec_get_nodes_from_network(rspec_string, network)
+ sliver_nodes = rspec_get_sliver_nodes_from_network(rspec_string, network)
+ available_nodes = filter(lambda x:x not in sliver_nodes, all_nodes)
+
+ already_in_nodes += sliver_nodes
- def addNode(self, testbed, hostname, mark):
- self.nodeModel.insertRow(0)
- self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
- self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
- if mark:msg="x"
- else: msg="-"
- self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
+ for node in sliver_nodes:
+ nodeItem = TreeItem([QString(""), QString("%s" % node), QString(node_status['in'])], networkItem)
+ networkItem.appendChild(nodeItem)
+ for node in available_nodes:
+ nodeItem = TreeItem([QString(""), QString(node), QString(node_status['out'])], networkItem)
+ networkItem.appendChild(nodeItem)
+ self.nodeModel.rootItem.appendChild(networkItem)
+
+ self.filterModel.setSourceModel(self.nodeModel)
+ self.filterModel.setFilterKeyColumn(-1)
+ self.filterModel.setDynamicSortFilter(True)
+
+ self.nodeView.setItemDelegateForColumn(1, self.nodeNameDelegate)
+ self.nodeView.setModel(self.filterModel)
+ self.nodeView.expandAll()
+ self.nodeView.resizeColumnToContents(1)
+
+ def updateSliceName(self):
+ self.slicename.setText("Slice : %s" % (config.getSlice() or "None"))
+
+ def nodeSelectionChanged(self, hostname):
+ self.parent().nodeSelectionChanged(hostname)
class MainScreen(SfaScreen):
- def __init__(self, parent=None):
+ def __init__(self, parent):
SfaScreen.__init__(self, parent)
slice = SliceWidget(self)
- self.init(slice, "Main Window", "PlanetLab Federation GUI")
-# slice.refresh()
+ self.init(slice, "Main Window", "OneLab Federation GUI")
+
+ def configurationChanged(self):
+ self.widget.updateSliceName()
+ self.widget.updateView()
+
+ def nodeSelectionChanged(self, hostname):
+ self.mainwin.nodeSelectionChanged(hostname)
git://git.onelab.eu / sface.git / blobdiff